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Show VI-78 UPDATING THE HOOVER DAM DOCUMENTS COLORADO RIVER STORAGE PROJECT 75 temporary field office, laboratory, warehouse, and garage buildings. Surveys and preparation of designs are underway for trie Morrow Point Dnm, powerplant, and switchyard. The prime contract for the Morrow Point Dam will be awarded in the spring of 1963. FLAMING GORGE STORAGE UNIT, UTAH Construction of the concrete arch dam on the upper Green River in Utah is 82 percent complete, and by November 1962 the dam will be ''topped out" at a height of 502 feet above bedrock. A separate contract was awarded in February 1962 for completion of the powerplant and switcli3Tard. Fabrication of powerplant turbines and generators was well underway with the turbines 64 percent complete and generators 55 percent complete. Closure of the single diversion tunnel will be accomplished in the fall of 1962, and filling of the 91-mile-long reservoir will begin. The first of the three power-generating units is expected to be placed on the line in September 1963. The remaining two units will be in service by March 1964. The powerplant will have a total generating capacity of 108,000 kilowatts. GLEN CANYON STORAGE UNIT, ARIZONA Progress on the $133,793,000 prime contract for construction of the 710-foot-high concrete arch dam and the 900,000-kilowatt powerplant is slightly ahead of schedule with physical completion estimated at 75 percent. Glen Canyon Dam is expected to be completed in March 1964. The contractor has placed 3.4 million cubic yards of concrete of the total 5.4 million required to complete the dam and appurtenant works. Completion of the powerplant, switchyard, and appurtenant works will be under a separate contract for $7,891,272 awarded in June 1962. Fabrication of the eight powerplant turbines and generators is 22 percent and 7 percent completed, respectivelv. According to present plans, initial power generation will begin in June 1964. Closure of Glen Canyon Dam is scheduled early in 1963. NAVAJO STORAGE UNIT, NEW MEXICO Navajo Dam has been under construction for 4 years and is nearing completion at June .30, 1962, with 96 percent of the work completed under the $26,196,000 contract. It is expected that the earthfill dam will be substantially completed in August 1962. Minor work remains under relocation contracts for relocation of powerlines, county roads, and segments of Denver & Rio Grande Western Railroad around the reservoir area. Navajo Dam will be the first major feature of the storage unit to be completed. Storage of water in the 35-mile-long reservoir began in June 1962. The impoundment of water at Navajo will be the first at any of the storage units of the Colorado River storage project. TRANSMISSION DIVISION Construction of the Flaming Gorge to Green Mountain 138-kilovolt transmission lines continued during the year and was 95 percent complete at June 30, 1962. Work was started on the Glen Canyon-Shiprock 230-kilovolt transmission line, tbe Morrow Point-Curecanti |